Maverick is dead. Closing bug properly.
** Changed in: firefox (Ubuntu)
Status: Expired => Invalid
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https://bugs.launchpad.net/bugs/681963
Title:
plugin-container uses 100% of CPU and does not release the resources
after tabs are closed
Status in “firefox” package in Ubuntu:
Invalid
Bug description:
Binary package hint: firefox
I've noticed that the latest version of Firefox tends to have this
issue.
After opening a few tabs with various sites (I believe the most common
culprit here are sites that use some sort of Flash), I notice that
plugin-container is using 100% of at least one CPU, and sometimes it's
driving load on more than one core.
For example, here's the info from top:
top - 17:44:31 up 5 days, 5:14, 6 users, load average: 3.36, 3.54, 3.52
Tasks: 316 total, 2 running, 313 sleeping, 1 stopped, 0 zombie
Cpu0 : 23.8%us, 11.5%sy, 0.0%ni, 61.0%id, 1.5%wa, 0.0%hi, 2.2%si, 0.0%st
Cpu1 : 54.4%us, 5.0%sy, 0.0%ni, 39.6%id, 0.9%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 :100.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 19.9%us, 2.5%sy, 0.0%ni, 72.2%id, 5.4%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 19.6%us, 14.3%sy, 0.0%ni, 66.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 : 38.2%us, 7.6%sy, 0.0%ni, 52.0%id, 2.1%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 0.0%us, 3.2%sy, 0.0%ni, 88.9%id, 8.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 4.2%us, 0.6%sy, 0.0%ni, 89.7%id, 5.4%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 3914416k total, 3151832k used, 762584k free, 687044k buffers
Swap: 10675156k total, 114144k used, 10561012k free, 576012k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
24178 bladernr 20 0 702m 55m 23m S 102 1.4 203:10.26 plugin-containe
7121 bladernr 20 0 146m 66m 780 R 93 1.7 682:51.00 rsync
1429 root 20 0 333m 201m 14m S 23 5.3 873:10.61 Xorg
7123 bladernr 20 0 146m 4588 324 S 20 0.1 134:09.67 rsync
25211 bladernr 20 0 995m 267m 32m S 17 7.0 18:22.50 firefox-bin
I have two intensive activities going on here... one is an rsync
backing up a portable hard disk, the other, is plugin-container,
launched by Firefox.
I've seen this behaviour before, without running rsync or any apps
other than firefox.
After a while, plugin-container just pegs one or more cores on my CPU,
and remains that way even AFTER closing all but one tab. The only way
I have found to release these resources, and ease the load on my CPUs
is to kill off Firefox. Plugin-container just seems to get stuck.
This also affects video streaming playback as the high CPU usage
causes streamed video to stutter.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: firefox 3.6.12+build1+nobinonly-0ubuntu0.10.10.1
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Fri Nov 26 17:40:19 2010
FirefoxPackages:
firefox 3.6.12+build1+nobinonly-0ubuntu0.10.10.1
firefox-gnome-support 3.6.12+build1+nobinonly-0ubuntu0.10.10.1
firefox-branding 3.6.12+build1+nobinonly-0ubuntu0.10.10.1
abroswer N/A
abrowser-branding N/A
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: firefox
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